Table 5 Research rule of argon suppression on methane-air deflagration flame propagation velocity curve under various experimental conditions.

From: Suppression of deflagration flame propagation of methane-air in tube by argon gas and explosion-eliminating chamber

Φ

Without explosion-eliminating chamber average speed (m/s)

With explosion-eliminating chamber average speed (m/s)

Speed decreasing rate (%)

0.9

64.14

60.51

5.7

1.0

131.59

114.92

12.7

1.1

64.15

40.39

37.0

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